package com.carl.guli.common.util;

import javax.servlet.http.HttpServletRequest;

/**
 * Created by youzm on 16/7/16.
 */
public class IpKit {

    public static String getRealIp(HttpServletRequest request) {
        String ip = request.getHeader("x-forwarded-for");
        if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }

        if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }

        if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }

        return ip;
    }

    public static String getRealIpV2(HttpServletRequest request) {
        String accessIP = request.getHeader("x-forwarded-for");
        return accessIP == null?request.getRemoteAddr():accessIP;
    }
}
